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Table 1 Frequency of wrong site surgery incidents

From: Can the surgical checklist reduce the risk of wrong site surgery in orthopaedics? - can the checklist help? Supporting evidence from analysis of a national patient incident reporting system

Category of wrong site surgery Near-misses, n (% of total) Near-misses prevented by the checklist, n (% of individual category of wrong site surgery) Actual harm, n (%) Actual harm prevented by the checklist, n (% of individual category of wrong site surgery)
wrong patient 1 (0.8) 0 (0.0) 0 (0.0) 0 (0.0)
wrong side block 7 (5.8) 7 (100.0) 5 (41.7) 5 (100.0)
wrong side marked on consent form 50 (41.3) 4 (8.0) 2 (16.7) 0 (0.0)
wrong side marked on patient 9 (7.4)) 4 (44.4) 0 (0.0) 0 (0.0)
wrong side prosthesis 2 (1.7) 2 (100.0) 3 (25.0) 3 (100.0)
wrong side surgery 1 (0.8) 1 (100.0) 2 (16.7) 2 (100.0)
wrong side marked on theatre list 51 (42.1) 0 (0.0) 0 (0.0) 0 (0.0)
Total 121 (100.0) 18 (14.9) 12 (100.0) 10 (100.0)